Associations of Lisinopril/Candesartan, Anti-CGRP Treatments vs. Topiramate on Cardiovascular Outcomes in Patients with Migraine
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Background and Objectives
Migraine is a prevalent neurological condition and is associated with an increased risk of myocardial infarction (MI) and ischemic stroke. However, the cardiovascular risks or benefits of specific migraine preventive medications remain unknow. The objective of this study is to compare the risk of major adverse cardiovascular events (MACE) among patients with migraine disorder initiating lisinopril/candesartan or anti-calcitonin gene-related peptide (aCGRP) treatments versus topiramate.
Methods
Two target trials were emulated comparing patients who were prescribed lisinopril/candesartan or aCGRP treatment to those receiving topiramate for migraine prevention within the U.S. Department of Veterans Affairs between June 1, 2018 and September 30, 2024. Outcome was MACE including MI, ischemic stroke, intracerebral and subarachnoid hemorrhage (ICH/SAH) and all-cause mortality. Five-year cumulative incidences, risk differences, risk ratios and overall hazard ratios (HRs) were estimated.
Results
Among 48,610 person-trials initiating lisinopril/candesartan (mean [SD] age, 52.3 [12.3] years; 18.9% women) and 25,635 initiating aCGRP treatment (mean [SD] age, 47.2 [12.2] years; 39.4% women), lisinopril/candesartan was associated with an increased risk of MACE (HR 1.21; 95%CI, 1.10-1.34), particularly MI (HR 1.28; 95%CI, 1.03-1.59). The MI risk was greater in patients without documented cardiovascular indications (HR 2.75; 95%CI, 2.01-3.77), patients aged <40 years (HR 3.18; 95%CI, 1.63-6.20), or with baseline systolic blood pressure (SBP) <130 mm Hg (HR 1.86; 95%CI, 1.44-2.39). aCGRP use was associated with a reduced risk of MI (HR 0.80; 95% CI, 0.62-1.02) and was not associated with ischemic stroke (HR 1.11; 95% CI, 0.84-1.49) or ICH/SAH (HR 0.95; 95% CI, 0.65-1.38).
Discussion
Lisinopril/candesartan may increase the risk of MACE or MI in patients with migraine disorder, particularly in those with minimal atherosclerotic risks. aCGRP treatment appears safe regarding cardiovascular events and potentially protective against MI. Future research is needed to confirm these findings before clinical recommendations can be made.
